This early animated short depicts a Stone Age-era circus.

This early animated short depicts a Stone Age-era circus.

An animated comedy short from the 1920s. Preserved by the Academy Film Archive in 2008.

An animated comedy short from the 1920s. Preserved by the Academy Film Archive in 2008.

An animated comedy short from the 1920s. Preserved by the Academy Film Archive in 2008.

A magic aeroplane takes two children to the Moon, where they encounter prehistoric monsters and witness a battle between them. As far as is known this was the first film to combine realistic stop-motion dinosaurs and live-action actors in the same shot. Preserved by the Academy Film Archive in 2008.

A magic aeroplane takes two children to the Moon, where they encounter prehistoric monsters and witness a battle between them. As far as is known this was the first film to combine realistic stop-motion dinosaurs and live-action actors in the same shot. Preserved by the Academy Film Archive in 2008.

A prehistoric writer sells his masterpiece to a film company, which is butchered horribly in the process of getting made into a stone-age movie. Preserved by the Academy Film Archive in 2010.

A prehistoric writer sells his masterpiece to a film company, which is butchered horribly in the process of getting made into a stone-age movie. Preserved by the Academy Film Archive in 2010.

A prehistoric writer sells his masterpiece to a film company, which is butchered horribly in the process of getting made into a stone-age movie. Preserved by the Academy Film Archive in 2010.